ˈfanē, -aan ̷ ̷ noun
( -es )
Etymology: from Fanny, nickname of Frances
1. slang Britain : billy III
2. also fany “ usually capitalized
[ fanny irregular (influence of the nickname Fanny ) from F irst A id N ursing Y eomanry; fany from F irst A id N ursing Y eomanry]
: a member of a British women's ambulance unit
3. : buttocks